A cooling-assisted needle trap device for sampling and delivering materials to an analytical device is disclosed. The device includes a needle having a first end and a second end and a side aperture located between the first and second ends. The side aperture provides access to the interior space of the needle. A sorbent is packed within an interior space of the needle between the second end and the side aperture to entrap an analyte within a sample. The cooling-assisted needle trap device also includes a cooling device configured to cool the sorbent.
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March 28, 2016
February 5, 2019
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